chore(deps): bump idna from 3.10 to 3.15 in /.tools/readmes (#7907)

B

Author: dependabot[bot]

.tools/readmes/requirements_freeze.txt

@@ -4,7 +4,7 @@ certifi==2025.1.31
 charset-normalizer==3.4.1
 click==8.1.8
 flake8==6.1.0
-idna==3.10
+idna==3.15
 iniconfig==2.0.0
 Jinja2==3.1.6
 markdown-it-py==3.0.0